| Nagykallo to Oberriet | 573.02 mi (922.19 km) |
| Nagykallo to Obersiggenthal | 630.41 mi (1,014.55 km) |
| Nagykallo to Oberwil | 664.31 mi (1,069.10 km) |
| Nagykallo to Oberwingert | 608.07 mi (978.60 km) |
| Nagykallo to Oftringen | 649.44 mi (1,045.18 km) |
| Nagykallo to Olten | 649.88 mi (1,045.88 km) |
| Nagykallo to Onex | 749.59 mi (1,206.34 km) |
| Nagykallo to Opfikon | 618.19 mi (994.89 km) |
| Nagykallo to Ostermundigen | 673.44 mi (1,083.80 km) |
| Nagykallo to Payerne | 701.05 mi (1,128.23 km) |
| Nagykallo to Pfaffikon | 608.80 mi (979.77 km) |
| Nagykallo to Plan-les-Ouates | 749.11 mi (1,205.57 km) |
| Nagykallo to Pratteln | 657.55 mi (1,058.22 km) |
| Nagykallo to Prilly | 720.64 mi (1,159.76 km) |
| Nagykallo to Pully | 717.81 mi (1,155.21 km) |
