| Martorell to Oerlinghausen | 791.23 mi (1,273.36 km) |
| Martorell to Oestrich-Winkel | 657.24 mi (1,057.73 km) |
| Martorell to Offenburg | 564.83 mi (909.01 km) |
| Martorell to Oftersheim | 633.28 mi (1,019.17 km) |
| Martorell to Ohrdruf | 770.28 mi (1,239.64 km) |
| Martorell to Ohringen | 647.42 mi (1,041.92 km) |
| Martorell to Olbernhau | 836.02 mi (1,345.44 km) |
| Martorell to Olching | 652.86 mi (1,050.68 km) |
| Martorell to Oldenburg | 857.52 mi (1,380.04 km) |
| Martorell to Oldenburg in Holstein | 976.62 mi (1,571.73 km) |
| Martorell to Olfen | 753.01 mi (1,211.85 km) |
| Martorell to Olpe | 716.53 mi (1,153.15 km) |
| Martorell to Olsberg | 749.62 mi (1,206.40 km) |
| Martorell to Oranienburg | 940.99 mi (1,514.38 km) |
| Martorell to Ortenberg | 701.99 mi (1,129.75 km) |
