| Biddeford to Noventa Vicentina | 3,865.12 mi (6,220.30 km) |
| Biddeford to Novi di Modena | 3,851.74 mi (6,198.77 km) |
| Biddeford to Novi Ligure | 3,765.89 mi (6,060.61 km) |
| Biddeford to Nuoro | 3,944.87 mi (6,348.66 km) |
| Biddeford to Occhiobello | 3,879.62 mi (6,243.64 km) |
| Biddeford to Oderzo | 3,888.22 mi (6,257.49 km) |
| Biddeford to Oggiono | 3,756.01 mi (6,044.71 km) |
| Biddeford to Olbia | 3,930.62 mi (6,325.71 km) |
| Biddeford to Oleggio | 3,731.59 mi (6,005.42 km) |
| Biddeford to Olgiate Comasco | 3,739.76 mi (6,018.57 km) |
| Biddeford to Olgiate Olona | 3,741.14 mi (6,020.78 km) |
| Biddeford to Omegna | 3,712.91 mi (5,975.35 km) |
| Biddeford to Opera | 3,763.57 mi (6,056.88 km) |
| Biddeford to Oppeano | 3,849.77 mi (6,195.61 km) |
| Biddeford to Orbassano | 3,703.99 mi (5,960.99 km) |
