| Ludlow to Oerlinghausen | 482.77 mi (776.94 km) |
| Ludlow to Oestrich-Winkel | 491.61 mi (791.18 km) |
| Ludlow to Offenburg | 540.11 mi (869.23 km) |
| Ludlow to Oftersheim | 533.86 mi (859.16 km) |
| Ludlow to Ohrdruf | 586.12 mi (943.26 km) |
| Ludlow to Ohringen | 575.96 mi (926.92 km) |
| Ludlow to Olbernhau | 698.56 mi (1,124.22 km) |
| Ludlow to Olching | 681.78 mi (1,097.22 km) |
| Ludlow to Oldenburg | 459.80 mi (739.98 km) |
| Ludlow to Oldenburg in Holstein | 575.84 mi (926.73 km) |
| Ludlow to Olfen | 431.28 mi (694.07 km) |
| Ludlow to Olpe | 461.01 mi (741.92 km) |
| Ludlow to Olsberg | 482.63 mi (776.71 km) |
| Ludlow to Oranienburg | 669.31 mi (1,077.15 km) |
| Ludlow to Ortenberg | 525.94 mi (846.41 km) |
