| Ponca City to Ridgeland (Mississippi) | 492.95 mi (793.33 km) |
| Ponca City to Ridgewood (New Jersey) | 1,265.70 mi (2,036.94 km) |
| Ponca City to Rifle (Colorado) | 612.96 mi (986.46 km) |
| Ponca City to Rincon (Georgia) | 950.56 mi (1,529.77 km) |
| Ponca City to Ringwood (New Jersey) | 1,258.23 mi (2,024.92 km) |
| Ponca City to Río Grande (Puerto Rico) | 2,277.94 mi (3,665.98 km) |
| Ponca City to Rio Grande City (Texas) | 721.99 mi (1,161.93 km) |
| Ponca City to Rio Linda (California) | 1,335.32 mi (2,148.99 km) |
| Ponca City to Rio Rancho (New Mexico) | 547.10 mi (880.48 km) |
| Ponca City to Rio Rico (Arizona) | 873.29 mi (1,405.43 km) |
| Ponca City to Ripon (California) | 1,321.98 mi (2,127.51 km) |
| Ponca City to River Edge (New Jersey) | 1,269.15 mi (2,042.50 km) |
| Ponca City to River Falls (Wisconsin) | 608.13 mi (978.69 km) |
| Ponca City to River Forest (Illinois) | 609.43 mi (980.79 km) |
| Ponca City to River Grove (Illinois) | 609.74 mi (981.27 km) |
