| Matlock to Orbetello | 944.49 mi (1,520.01 km) |
| Matlock to Oria | 1,251.61 mi (2,014.27 km) |
| Matlock to Oristano | 1,031.39 mi (1,659.86 km) |
| Matlock to Orta Nova | 1,143.83 mi (1,840.82 km) |
| Matlock to Orte | 977.78 mi (1,573.59 km) |
| Matlock to Ortona | 1,046.64 mi (1,684.41 km) |
| Matlock to Orvieto | 955.11 mi (1,537.10 km) |
| Matlock to Orzinuovi | 742.59 mi (1,195.08 km) |
| Matlock to Osimo | 956.80 mi (1,539.82 km) |
| Matlock to Ospitaletto | 738.78 mi (1,188.94 km) |
| Matlock to Ostuni | 1,237.51 mi (1,991.57 km) |
| Matlock to Ottaviano | 1,131.29 mi (1,820.63 km) |
| Matlock to Ovada | 746.51 mi (1,201.40 km) |
| Matlock to Ozieri | 998.15 mi (1,606.36 km) |
| Matlock to Paceco | 1,244.79 mi (2,003.30 km) |
