| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| RDA (Rockhampton Downs Airport) | airport | -18.95 | 135.20 | 0 | |||
| RDB (RED DOG) | airport | United States | 68.03 | -162.90 | 974 | 0 | |
| RDC (Redenção Airport) | airport | -8.03 | -49.98 | 670 | 0 | ||
| RDD (REDDING MUNI) | airport | United States | 40.51 | -122.29 | 504 | 0 | |
| RDE (Merdei Airport) | airport | -1.58 | 133.33 | 425 | 0 | ||
| RDG (READING RGNL CARL A SPAATZ FLD) | airport | United States | 40.38 | -75.97 | 344 | 0 | |
| RDM (ROBERTS FLD) | airport | United States | 44.25 | -121.15 | 3077 | 0 | |
| RDN (LTS Pulau Redang Airport) | airport | 5.77 | 103.01 | 36 | 0 | ||
| RDO (RADOM) | airport | Poland | 51.39 | 21.21 | 584 | 0 | |
| RDP (Kazi Nazrul Islam Airport) | airport | 23.62 | 87.24 | 300 | 0 | ||
| RDR (GRAND FORKS AFB) | airport | United States | 47.96 | -97.40 | 913 | 0 | |
| RDS (RINCON DE LOS SAUCES) | airport | Argentina | -37.39 | -68.90 | 1969 | 0 | |
| RDT (Richard Toll Airport) | airport | 16.43 | -15.65 | 20 | 0 | ||
| RDU (RALEIGH DURHAM INTL) | airport | United States | 35.88 | -78.79 | 435 | 0 | |
| RDV (RED DEVIL) | airport | United States | 61.79 | -157.35 | 174 | 0 | |
| RDZ (MARCILLAC) | airport | France | 44.41 | 2.48 | 1910 | 0 |