| Knightdale to Noventa Vicentina | 4,523.06 mi (7,279.16 km) |
| Knightdale to Novi di Modena | 4,507.68 mi (7,254.42 km) |
| Knightdale to Novi Ligure | 4,418.73 mi (7,111.25 km) |
| Knightdale to Nuoro | 4,581.47 mi (7,373.16 km) |
| Knightdale to Occhiobello | 4,536.48 mi (7,300.77 km) |
| Knightdale to Oderzo | 4,548.75 mi (7,320.51 km) |
| Knightdale to Oggiono | 4,412.99 mi (7,102.03 km) |
| Knightdale to Olbia | 4,569.97 mi (7,354.66 km) |
| Knightdale to Oleggio | 4,387.13 mi (7,060.41 km) |
| Knightdale to Olgiate Comasco | 4,396.30 mi (7,075.17 km) |
| Knightdale to Olgiate Olona | 4,397.09 mi (7,076.42 km) |
| Knightdale to Omegna | 4,369.12 mi (7,031.41 km) |
| Knightdale to Opera | 4,419.08 mi (7,111.82 km) |
| Knightdale to Oppeano | 4,507.35 mi (7,253.88 km) |
| Knightdale to Orbassano | 4,356.11 mi (7,010.49 km) |
