| Opelika to Redondela | 4,119.33 mi (6,629.41 km) |
| Opelika to Reinosa | 4,317.91 mi (6,949.00 km) |
| Opelika to Requena | 4,554.75 mi (7,330.17 km) |
| Opelika to Reus | 4,615.13 mi (7,427.34 km) |
| Opelika to Rianxo | 4,101.78 mi (6,601.18 km) |
| Opelika to Ribadeo | 4,167.96 mi (6,707.68 km) |
| Opelika to Rincon de la Victoria | 4,471.35 mi (7,195.94 km) |
| Opelika to Ripoll | 4,636.74 mi (7,462.12 km) |
| Opelika to Ripollet | 4,655.14 mi (7,491.73 km) |
| Opelika to Rojales | 4,612.36 mi (7,422.88 km) |
| Opelika to Ronda | 4,425.83 mi (7,122.68 km) |
| Opelika to Roquetas de Mar | 4,554.79 mi (7,330.22 km) |
| Opelika to Rosas | 4,680.88 mi (7,533.14 km) |
| Opelika to Rubi | 4,649.36 mi (7,482.41 km) |
| Opelika to Rute | 4,450.95 mi (7,163.11 km) |
