| Schwyz to Oerlinghausen | 342.01 mi (550.42 km) |
| Schwyz to Oestrich-Winkel | 208.26 mi (335.16 km) |
| Schwyz to Offenburg | 105.57 mi (169.90 km) |
| Schwyz to Oftersheim | 162.67 mi (261.79 km) |
| Schwyz to Ohrdruf | 279.77 mi (450.25 km) |
| Schwyz to Ohringen | 155.86 mi (250.84 km) |
| Schwyz to Olbernhau | 329.95 mi (531.00 km) |
| Schwyz to Olching | 148.70 mi (239.31 km) |
| Schwyz to Oldenburg | 423.79 mi (682.02 km) |
| Schwyz to Oldenburg in Holstein | 512.58 mi (824.91 km) |
| Schwyz to Olfen | 329.69 mi (530.58 km) |
| Schwyz to Olpe | 278.84 mi (448.74 km) |
| Schwyz to Olsberg | 299.50 mi (481.99 km) |
| Schwyz to Oranienburg | 445.72 mi (717.31 km) |
| Schwyz to Ortenberg | 231.45 mi (372.48 km) |
