| Giessen to Oberriet | 229.38 mi (369.15 km) |
| Giessen to Obersiggenthal | 214.61 mi (345.38 km) |
| Giessen to Oberwil | 217.99 mi (350.83 km) |
| Giessen to Oberwingert | 211.91 mi (341.04 km) |
| Giessen to Oftringen | 228.25 mi (367.33 km) |
| Giessen to Olten | 226.09 mi (363.85 km) |
| Giessen to Onex | 325.98 mi (524.61 km) |
| Giessen to Opfikon | 217.69 mi (350.34 km) |
| Giessen to Ostermundigen | 256.35 mi (412.56 km) |
| Giessen to Payerne | 271.97 mi (437.69 km) |
| Giessen to Pfaffikon | 222.31 mi (357.77 km) |
| Giessen to Plan-les-Ouates | 326.78 mi (525.90 km) |
| Giessen to Pratteln | 216.35 mi (348.18 km) |
| Giessen to Prilly | 295.33 mi (475.28 km) |
| Giessen to Pully | 295.46 mi (475.50 km) |
