| Flagstaff to Ratingen | 5,396.46 mi (8,684.76 km) |
| Flagstaff to Ratzeburg | 5,399.52 mi (8,689.68 km) |
| Flagstaff to Raubling | 5,734.43 mi (9,228.67 km) |
| Flagstaff to Rauenberg | 5,552.49 mi (8,935.87 km) |
| Flagstaff to Raunheim | 5,508.30 mi (8,864.74 km) |
| Flagstaff to Ravensburg | 5,654.18 mi (9,099.52 km) |
| Flagstaff to Recke | 5,373.20 mi (8,647.33 km) |
| Flagstaff to Recklinghausen | 5,392.92 mi (8,679.06 km) |
| Flagstaff to Regen | 5,706.95 mi (9,184.44 km) |
| Flagstaff to Regensburg | 5,671.96 mi (9,128.14 km) |
| Flagstaff to Regenstauf | 5,667.99 mi (9,121.75 km) |
| Flagstaff to Rehau | 5,608.04 mi (9,025.26 km) |
| Flagstaff to Rehburg-Loccum | 5,414.70 mi (8,714.12 km) |
| Flagstaff to Rehlingen-Siersburg | 5,481.66 mi (8,821.88 km) |
| Flagstaff to Reichelsheim | 5,535.27 mi (8,908.16 km) |
