| Serik to Ridgeland (Mississippi) | 6,329.38 mi (10,186.15 km) |
| Serik to Ridgewood (New Jersey) | 5,277.08 mi (8,492.64 km) |
| Serik to Rifle (Colorado) | 6,543.78 mi (10,531.19 km) |
| Serik to Rincon (Georgia) | 5,964.55 mi (9,599.02 km) |
| Serik to Ringwood (New Jersey) | 5,278.56 mi (8,495.02 km) |
| Serik to Río Grande (Puerto Rico) | 5,830.91 mi (9,383.95 km) |
| Serik to Rio Grande City (Texas) | 6,986.26 mi (11,243.31 km) |
| Serik to Rio Linda (California) | 6,928.10 mi (11,149.70 km) |
| Serik to Rio Rancho (New Mexico) | 6,760.30 mi (10,879.66 km) |
| Serik to Rio Rico (Arizona) | 7,112.96 mi (11,447.20 km) |
| Serik to Ripon (California) | 6,982.26 mi (11,236.87 km) |
| Serik to River Edge (New Jersey) | 5,276.34 mi (8,491.44 km) |
| Serik to River Falls (Wisconsin) | 5,785.82 mi (9,311.37 km) |
| Serik to River Forest (Illinois) | 5,768.89 mi (9,284.13 km) |
| Serik to River Grove (Illinois) | 5,768.12 mi (9,282.89 km) |
