| Tonawanda to Ratingen | 3,834.74 mi (6,171.41 km) |
| Tonawanda to Ratzeburg | 3,900.90 mi (6,277.89 km) |
| Tonawanda to Raubling | 4,160.28 mi (6,695.33 km) |
| Tonawanda to Rauenberg | 3,974.22 mi (6,395.89 km) |
| Tonawanda to Raunheim | 3,938.71 mi (6,338.75 km) |
| Tonawanda to Ravensburg | 4,062.24 mi (6,537.55 km) |
| Tonawanda to Recke | 3,833.21 mi (6,168.96 km) |
| Tonawanda to Recklinghausen | 3,837.44 mi (6,175.77 km) |
| Tonawanda to Regen | 4,156.18 mi (6,688.73 km) |
| Tonawanda to Regensburg | 4,114.10 mi (6,621.00 km) |
| Tonawanda to Regenstauf | 4,111.91 mi (6,617.48 km) |
| Tonawanda to Rehau | 4,066.83 mi (6,544.94 km) |
| Tonawanda to Rehburg-Loccum | 3,885.97 mi (6,253.86 km) |
| Tonawanda to Rehlingen-Siersburg | 3,891.35 mi (6,262.53 km) |
| Tonawanda to Reichelsheim | 3,964.11 mi (6,379.61 km) |
