| Gorna Oryahovitsa to Oberriet | 834.74 mi (1,343.39 km) |
| Gorna Oryahovitsa to Obersiggenthal | 895.43 mi (1,441.05 km) |
| Gorna Oryahovitsa to Oberwil | 929.41 mi (1,495.74 km) |
| Gorna Oryahovitsa to Oberwingert | 874.28 mi (1,407.02 km) |
| Gorna Oryahovitsa to Oftringen | 910.00 mi (1,464.50 km) |
| Gorna Oryahovitsa to Olten | 911.24 mi (1,466.50 km) |
| Gorna Oryahovitsa to Onex | 983.34 mi (1,582.54 km) |
| Gorna Oryahovitsa to Opfikon | 882.09 mi (1,419.59 km) |
| Gorna Oryahovitsa to Ostermundigen | 924.96 mi (1,488.59 km) |
| Gorna Oryahovitsa to Payerne | 949.33 mi (1,527.80 km) |
| Gorna Oryahovitsa to Pfaffikon | 871.17 mi (1,402.02 km) |
| Gorna Oryahovitsa to Plan-les-Ouates | 982.44 mi (1,581.09 km) |
| Gorna Oryahovitsa to Pratteln | 922.83 mi (1,485.15 km) |
| Gorna Oryahovitsa to Prilly | 962.27 mi (1,548.63 km) |
| Gorna Oryahovitsa to Pully | 958.98 mi (1,543.33 km) |
