| Kasterlee to Oberriet | 342.14 mi (550.62 km) |
| Kasterlee to Obersiggenthal | 300.28 mi (483.26 km) |
| Kasterlee to Oberwil | 283.46 mi (456.19 km) |
| Kasterlee to Oberwingert | 309.80 mi (498.57 km) |
| Kasterlee to Oftringen | 302.82 mi (487.33 km) |
| Kasterlee to Olten | 300.40 mi (483.45 km) |
| Kasterlee to Onex | 353.97 mi (569.65 km) |
| Kasterlee to Opfikon | 309.83 mi (498.63 km) |
| Kasterlee to Ostermundigen | 318.16 mi (512.03 km) |
| Kasterlee to Payerne | 319.18 mi (513.67 km) |
| Kasterlee to Pfaffikon | 318.98 mi (513.34 km) |
| Kasterlee to Plan-les-Ouates | 355.21 mi (571.66 km) |
| Kasterlee to Pratteln | 286.02 mi (460.30 km) |
| Kasterlee to Prilly | 334.38 mi (538.13 km) |
| Kasterlee to Pully | 336.19 mi (541.04 km) |
