| North Tonawanda to Ratingen | 3,832.59 mi (6,167.96 km) |
| North Tonawanda to Ratzeburg | 3,898.67 mi (6,274.30 km) |
| North Tonawanda to Raubling | 4,158.17 mi (6,691.93 km) |
| North Tonawanda to Rauenberg | 3,972.11 mi (6,392.49 km) |
| North Tonawanda to Raunheim | 3,936.58 mi (6,335.32 km) |
| North Tonawanda to Ravensburg | 4,060.16 mi (6,534.19 km) |
| North Tonawanda to Recke | 3,831.03 mi (6,165.45 km) |
| North Tonawanda to Recklinghausen | 3,835.29 mi (6,172.30 km) |
| North Tonawanda to Regen | 4,154.03 mi (6,685.27 km) |
| North Tonawanda to Regensburg | 4,111.96 mi (6,617.55 km) |
| North Tonawanda to Regenstauf | 4,109.77 mi (6,614.04 km) |
| North Tonawanda to Rehau | 4,064.67 mi (6,541.45 km) |
| North Tonawanda to Rehburg-Loccum | 3,883.77 mi (6,250.33 km) |
| North Tonawanda to Rehlingen-Siersburg | 3,889.26 mi (6,259.15 km) |
| North Tonawanda to Reichelsheim | 3,961.98 mi (6,376.19 km) |
