| Cwmbran to Nyon | 554.60 mi (892.54 km) |
| Cwmbran to Oberriet | 638.35 mi (1,027.32 km) |
| Cwmbran to Obersiggenthal | 582.03 mi (936.69 km) |
| Cwmbran to Oberwil | 552.60 mi (889.32 km) |
| Cwmbran to Oberwingert | 599.49 mi (964.79 km) |
| Cwmbran to Oftringen | 574.27 mi (924.20 km) |
| Cwmbran to Olten | 572.30 mi (921.03 km) |
| Cwmbran to Onex | 559.89 mi (901.05 km) |
| Cwmbran to Opfikon | 594.76 mi (957.17 km) |
| Cwmbran to Ostermundigen | 573.22 mi (922.51 km) |
| Cwmbran to Payerne | 558.97 mi (899.58 km) |
| Cwmbran to Pfaffikon | 605.74 mi (974.84 km) |
| Cwmbran to Plan-les-Ouates | 561.27 mi (903.27 km) |
| Cwmbran to Pratteln | 558.04 mi (898.07 km) |
| Cwmbran to Prilly | 560.11 mi (901.42 km) |
