| Hwlffordd to Nyon | 628.96 mi (1,012.22 km) |
| Hwlffordd to Oberriet | 719.72 mi (1,158.28 km) |
| Hwlffordd to Obersiggenthal | 662.65 mi (1,066.44 km) |
| Hwlffordd to Oberwil | 632.51 mi (1,017.92 km) |
| Hwlffordd to Oberwingert | 680.61 mi (1,095.33 km) |
| Hwlffordd to Oftringen | 654.10 mi (1,052.68 km) |
| Hwlffordd to Olten | 652.20 mi (1,049.61 km) |
| Hwlffordd to Onex | 633.28 mi (1,019.16 km) |
| Hwlffordd to Opfikon | 675.52 mi (1,087.15 km) |
| Hwlffordd to Ostermundigen | 651.57 mi (1,048.60 km) |
| Hwlffordd to Payerne | 636.06 mi (1,023.64 km) |
| Hwlffordd to Pfaffikon | 686.56 mi (1,104.92 km) |
| Hwlffordd to Plan-les-Ouates | 634.64 mi (1,021.35 km) |
| Hwlffordd to Pratteln | 638.12 mi (1,026.95 km) |
| Hwlffordd to Prilly | 635.72 mi (1,023.09 km) |
