| Calheta to Oberriet | 1,722.79 mi (2,772.56 km) |
| Calheta to Obersiggenthal | 1,675.18 mi (2,695.94 km) |
| Calheta to Oberwil | 1,645.91 mi (2,648.84 km) |
| Calheta to Oberwingert | 1,695.81 mi (2,729.15 km) |
| Calheta to Oftringen | 1,654.14 mi (2,662.09 km) |
| Calheta to Olten | 1,654.56 mi (2,662.75 km) |
| Calheta to Onex | 1,541.10 mi (2,480.16 km) |
| Calheta to Opfikon | 1,684.76 mi (2,711.36 km) |
| Calheta to Ostermundigen | 1,624.58 mi (2,614.51 km) |
| Calheta to Payerne | 1,596.96 mi (2,570.05 km) |
| Calheta to Pfaffikon | 1,691.61 mi (2,722.39 km) |
| Calheta to Plan-les-Ouates | 1,541.25 mi (2,480.40 km) |
| Calheta to Pratteln | 1,651.94 mi (2,658.54 km) |
| Calheta to Prilly | 1,573.66 mi (2,532.56 km) |
| Calheta to Pully | 1,575.88 mi (2,536.14 km) |
