| Delaware to Noventa Vicentina | 4,518.40 mi (7,271.67 km) |
| Delaware to Novi di Modena | 4,507.31 mi (7,253.82 km) |
| Delaware to Novi Ligure | 4,424.90 mi (7,121.19 km) |
| Delaware to Nuoro | 4,615.52 mi (7,427.97 km) |
| Delaware to Occhiobello | 4,534.09 mi (7,296.90 km) |
| Delaware to Oderzo | 4,538.24 mi (7,303.59 km) |
| Delaware to Oggiono | 4,410.75 mi (7,098.42 km) |
| Delaware to Olbia | 4,599.65 mi (7,402.42 km) |
| Delaware to Oleggio | 4,387.99 mi (7,061.79 km) |
| Delaware to Olgiate Comasco | 4,395.05 mi (7,073.16 km) |
| Delaware to Olgiate Olona | 4,397.07 mi (7,076.41 km) |
| Delaware to Omegna | 4,368.65 mi (7,030.67 km) |
| Delaware to Opera | 4,419.90 mi (7,113.14 km) |
| Delaware to Oppeano | 4,503.53 mi (7,247.73 km) |
| Delaware to Orbassano | 4,363.86 mi (7,022.96 km) |
