| Tonypandy to Nyon | 568.15 mi (914.35 km) |
| Tonypandy to Oberriet | 654.58 mi (1,053.45 km) |
| Tonypandy to Obersiggenthal | 597.93 mi (962.28 km) |
| Tonypandy to Oberwil | 568.19 mi (914.42 km) |
| Tonypandy to Oberwingert | 615.61 mi (990.72 km) |
| Tonypandy to Oftringen | 589.84 mi (949.26 km) |
| Tonypandy to Olten | 587.90 mi (946.13 km) |
| Tonypandy to Onex | 573.11 mi (922.33 km) |
| Tonypandy to Opfikon | 610.72 mi (982.86 km) |
| Tonypandy to Ostermundigen | 588.21 mi (946.63 km) |
| Tonypandy to Payerne | 573.48 mi (922.93 km) |
| Tonypandy to Pfaffikon | 621.73 mi (1,000.57 km) |
| Tonypandy to Plan-les-Ouates | 574.48 mi (924.54 km) |
| Tonypandy to Pratteln | 573.70 mi (923.29 km) |
| Tonypandy to Prilly | 574.10 mi (923.92 km) |
