| Darby to Noventa Vicentina | 4,208.46 mi (6,772.86 km) |
| Darby to Novi di Modena | 4,194.37 mi (6,750.18 km) |
| Darby to Novi Ligure | 4,107.35 mi (6,610.14 km) |
| Darby to Nuoro | 4,280.08 mi (6,888.13 km) |
| Darby to Occhiobello | 4,222.58 mi (6,795.59 km) |
| Darby to Oderzo | 4,232.47 mi (6,811.50 km) |
| Darby to Oggiono | 4,098.98 mi (6,596.67 km) |
| Darby to Olbia | 4,266.93 mi (6,866.96 km) |
| Darby to Oleggio | 4,074.04 mi (6,556.53 km) |
| Darby to Olgiate Comasco | 4,082.57 mi (6,570.26 km) |
| Darby to Olgiate Olona | 4,083.73 mi (6,572.13 km) |
| Darby to Omegna | 4,055.59 mi (6,526.83 km) |
| Darby to Opera | 4,106.01 mi (6,607.99 km) |
| Darby to Oppeano | 4,192.98 mi (6,747.96 km) |
| Darby to Orbassano | 4,045.16 mi (6,510.05 km) |
