| Istrana to Redon | 685.13 mi (1,102.61 km) |
| Istrana to Reims | 450.23 mi (724.58 km) |
| Istrana to Rennes | 670.85 mi (1,079.63 km) |
| Istrana to Revel | 519.73 mi (836.43 km) |
| Istrana to Reze | 658.28 mi (1,059.40 km) |
| Istrana to Riedisheim | 265.69 mi (427.58 km) |
| Istrana to Rillieux-la-Pape | 347.21 mi (558.78 km) |
| Istrana to Riom | 433.03 mi (696.89 km) |
| Istrana to Riorges | 388.40 mi (625.08 km) |
| Istrana to Ris-Orangis | 498.56 mi (802.36 km) |
| Istrana to Rive-de-Gier | 361.73 mi (582.15 km) |
| Istrana to Rivesaltes | 498.82 mi (802.77 km) |
| Istrana to Rixheim | 264.20 mi (425.19 km) |
| Istrana to Roanne | 387.04 mi (622.88 km) |
| Istrana to Roche-la-Moliere | 376.45 mi (605.84 km) |
