| Schwalmtal to Oerlinghausen | 115.29 mi (185.54 km) |
| Schwalmtal to Oestrich-Winkel | 113.74 mi (183.05 km) |
| Schwalmtal to Offenburg | 204.43 mi (329.00 km) |
| Schwalmtal to Oftersheim | 163.93 mi (263.81 km) |
| Schwalmtal to Ohrdruf | 196.14 mi (315.66 km) |
| Schwalmtal to Ohringen | 200.01 mi (321.89 km) |
| Schwalmtal to Olbernhau | 310.08 mi (499.03 km) |
| Schwalmtal to Olching | 307.45 mi (494.79 km) |
| Schwalmtal to Oldenburg | 156.38 mi (251.67 km) |
| Schwalmtal to Oldenburg in Holstein | 287.18 mi (462.17 km) |
| Schwalmtal to Olfen | 59.10 mi (95.11 km) |
| Schwalmtal to Olpe | 69.59 mi (112.00 km) |
| Schwalmtal to Olsberg | 96.37 mi (155.09 km) |
| Schwalmtal to Oranienburg | 314.91 mi (506.80 km) |
| Schwalmtal to Ortenberg | 135.88 mi (218.68 km) |
