| Siena to Redon | 714.27 mi (1,149.51 km) |
| Siena to Reims | 538.06 mi (865.92 km) |
| Siena to Rennes | 708.49 mi (1,140.21 km) |
| Siena to Revel | 468.18 mi (753.47 km) |
| Siena to Reze | 681.10 mi (1,096.13 km) |
| Siena to Riedisheim | 361.14 mi (581.20 km) |
| Siena to Rillieux-la-Pape | 360.64 mi (580.40 km) |
| Siena to Riom | 441.44 mi (710.43 km) |
| Siena to Riorges | 404.41 mi (650.84 km) |
| Siena to Ris-Orangis | 564.21 mi (908.02 km) |
| Siena to Rive-de-Gier | 364.70 mi (586.92 km) |
| Siena to Rivesaltes | 428.57 mi (689.71 km) |
| Siena to Rixheim | 360.20 mi (579.68 km) |
| Siena to Roanne | 403.01 mi (648.57 km) |
| Siena to Roche-la-Moliere | 375.52 mi (604.34 km) |
