| Welwyn Garden City to Rochefort | 406.65 mi (654.45 km) |
| Welwyn Garden City to Rodez | 530.64 mi (853.98 km) |
| Welwyn Garden City to Rognac | 627.35 mi (1,009.62 km) |
| Welwyn Garden City to Roissy-en-Brie | 243.23 mi (391.44 km) |
| Welwyn Garden City to Romainville | 232.76 mi (374.59 km) |
| Welwyn Garden City to Romans-sur-Isere | 525.00 mi (844.90 km) |
| Welwyn Garden City to Rombas | 327.67 mi (527.34 km) |
| Welwyn Garden City to Romilly-sur-Seine | 285.90 mi (460.11 km) |
| Welwyn Garden City to Ronchin | 164.49 mi (264.72 km) |
| Welwyn Garden City to Roncq | 160.59 mi (258.45 km) |
| Welwyn Garden City to Roquebrune-sur-Argens | 658.92 mi (1,060.43 km) |
| Welwyn Garden City to Roquevaire | 643.27 mi (1,035.25 km) |
| Welwyn Garden City to Rosny-sous-Bois | 234.87 mi (377.99 km) |
| Welwyn Garden City to Roubaix | 165.06 mi (265.63 km) |
| Welwyn Garden City to Rouen | 172.68 mi (277.91 km) |
