| Martorell to Noventa Vicentina | 548.86 mi (883.30 km) |
| Martorell to Novi di Modena | 509.54 mi (820.03 km) |
| Martorell to Novi Ligure | 413.35 mi (665.23 km) |
| Martorell to Nuoro | 394.69 mi (635.19 km) |
| Martorell to Occhiobello | 540.83 mi (870.37 km) |
| Martorell to Oderzo | 605.57 mi (974.56 km) |
| Martorell to Oggiono | 475.38 mi (765.05 km) |
| Martorell to Olbia | 395.29 mi (636.16 km) |
| Martorell to Oleggio | 440.14 mi (708.34 km) |
| Martorell to Olgiate Comasco | 460.62 mi (741.30 km) |
| Martorell to Olgiate Olona | 451.12 mi (726.02 km) |
| Martorell to Omegna | 443.93 mi (714.44 km) |
| Martorell to Opera | 454.24 mi (731.03 km) |
| Martorell to Oppeano | 534.05 mi (859.46 km) |
| Martorell to Orbassano | 372.95 mi (600.21 km) |
