| Donaueschingen to Oberriet | 66.22 mi (106.57 km) |
| Donaueschingen to Obersiggenthal | 33.67 mi (54.19 km) |
| Donaueschingen to Oberwil | 53.54 mi (86.16 km) |
| Donaueschingen to Oberwingert | 32.56 mi (52.41 km) |
| Donaueschingen to Oftringen | 51.76 mi (83.30 km) |
| Donaueschingen to Olten | 50.25 mi (80.87 km) |
| Donaueschingen to Onex | 166.55 mi (268.04 km) |
| Donaueschingen to Opfikon | 36.04 mi (57.99 km) |
| Donaueschingen to Ostermundigen | 83.66 mi (134.64 km) |
| Donaueschingen to Payerne | 107.51 mi (173.02 km) |
| Donaueschingen to Pfaffikon | 42.56 mi (68.49 km) |
| Donaueschingen to Plan-les-Ouates | 166.88 mi (268.56 km) |
| Donaueschingen to Pratteln | 47.99 mi (77.22 km) |
| Donaueschingen to Prilly | 132.63 mi (213.45 km) |
| Donaueschingen to Pully | 131.42 mi (211.50 km) |
