| Hockessin to Noventa Vicentina | 4,232.02 mi (6,810.78 km) |
| Hockessin to Novi di Modena | 4,217.99 mi (6,788.20 km) |
| Hockessin to Novi Ligure | 4,131.06 mi (6,648.30 km) |
| Hockessin to Nuoro | 4,304.10 mi (6,926.78 km) |
| Hockessin to Occhiobello | 4,246.18 mi (6,833.57 km) |
| Hockessin to Oderzo | 4,255.94 mi (6,849.28 km) |
| Hockessin to Oggiono | 4,122.57 mi (6,634.64 km) |
| Hockessin to Olbia | 4,290.91 mi (6,905.55 km) |
| Hockessin to Oleggio | 4,097.67 mi (6,594.57 km) |
| Hockessin to Olgiate Comasco | 4,106.18 mi (6,608.25 km) |
| Hockessin to Olgiate Olona | 4,107.36 mi (6,610.15 km) |
| Hockessin to Omegna | 4,079.20 mi (6,564.84 km) |
| Hockessin to Opera | 4,129.65 mi (6,646.03 km) |
| Hockessin to Oppeano | 4,216.56 mi (6,785.89 km) |
| Hockessin to Orbassano | 4,068.89 mi (6,548.24 km) |
