| Isernia to Redon | 902.51 mi (1,452.44 km) |
| Isernia to Reims | 723.27 mi (1,163.98 km) |
| Isernia to Rennes | 897.64 mi (1,444.62 km) |
| Isernia to Revel | 635.42 mi (1,022.60 km) |
| Isernia to Reze | 868.60 mi (1,397.87 km) |
| Isernia to Riedisheim | 542.05 mi (872.35 km) |
| Isernia to Rillieux-la-Pape | 549.55 mi (884.42 km) |
| Isernia to Riom | 628.76 mi (1,011.89 km) |
| Isernia to Riorges | 593.12 mi (954.53 km) |
| Isernia to Ris-Orangis | 753.16 mi (1,212.09 km) |
| Isernia to Rive-de-Gier | 552.35 mi (888.92 km) |
| Isernia to Rivesaltes | 586.97 mi (944.64 km) |
| Isernia to Rixheim | 540.93 mi (870.54 km) |
| Isernia to Roanne | 591.72 mi (952.28 km) |
| Isernia to Roche-la-Moliere | 562.38 mi (905.07 km) |
