| Mattenhof to Oerlinghausen | 309.54 mi (498.15 km) |
| Mattenhof to Oestrich-Winkel | 176.93 mi (284.75 km) |
| Mattenhof to Offenburg | 77.45 mi (124.64 km) |
| Mattenhof to Oftersheim | 130.36 mi (209.79 km) |
| Mattenhof to Ohrdruf | 247.65 mi (398.55 km) |
| Mattenhof to Ohringen | 123.30 mi (198.44 km) |
| Mattenhof to Olbernhau | 302.13 mi (486.24 km) |
| Mattenhof to Olching | 128.94 mi (207.50 km) |
| Mattenhof to Oldenburg | 391.56 mi (630.15 km) |
| Mattenhof to Oldenburg in Holstein | 479.79 mi (772.15 km) |
| Mattenhof to Olfen | 298.54 mi (480.46 km) |
| Mattenhof to Olpe | 247.33 mi (398.04 km) |
| Mattenhof to Olsberg | 267.17 mi (429.97 km) |
| Mattenhof to Oranienburg | 414.56 mi (667.17 km) |
| Mattenhof to Ortenberg | 198.71 mi (319.79 km) |
