| Trets to Redon | 474.74 mi (764.03 km) |
| Trets to Reims | 409.45 mi (658.95 km) |
| Trets to Rennes | 479.15 mi (771.13 km) |
| Trets to Revel | 184.65 mi (297.16 km) |
| Trets to Reze | 436.95 mi (703.20 km) |
| Trets to Riedisheim | 308.09 mi (495.82 km) |
| Trets to Rillieux-la-Pape | 168.57 mi (271.28 km) |
| Trets to Riom | 211.08 mi (339.70 km) |
| Trets to Riorges | 196.68 mi (316.53 km) |
| Trets to Ris-Orangis | 392.34 mi (631.41 km) |
| Trets to Rive-de-Gier | 153.23 mi (246.59 km) |
| Trets to Rivesaltes | 149.37 mi (240.38 km) |
| Trets to Rixheim | 308.59 mi (496.63 km) |
| Trets to Roanne | 195.73 mi (315.00 km) |
| Trets to Roche-la-Moliere | 152.85 mi (245.98 km) |
