| Ionia to Rochefort | 3,950.41 mi (6,357.57 km) |
| Ionia to Rodez | 4,154.65 mi (6,686.26 km) |
| Ionia to Rognac | 4,297.87 mi (6,916.75 km) |
| Ionia to Roissy-en-Brie | 3,997.73 mi (6,433.73 km) |
| Ionia to Romainville | 3,985.96 mi (6,414.79 km) |
| Ionia to Romans-sur-Isere | 4,230.52 mi (6,808.36 km) |
| Ionia to Rombas | 4,114.88 mi (6,622.27 km) |
| Ionia to Romilly-sur-Seine | 4,049.61 mi (6,517.22 km) |
| Ionia to Ronchin | 3,952.08 mi (6,360.26 km) |
| Ionia to Roncq | 3,948.25 mi (6,354.10 km) |
| Ionia to Roquebrune-sur-Argens | 4,357.67 mi (7,012.99 km) |
| Ionia to Roquevaire | 4,318.70 mi (6,950.28 km) |
| Ionia to Rosny-sous-Bois | 3,988.46 mi (6,418.81 km) |
| Ionia to Roubaix | 3,952.75 mi (6,361.34 km) |
| Ionia to Rouen | 3,914.00 mi (6,298.97 km) |
