| Naugatuck to Noventa Vicentina | 4,051.28 mi (6,519.91 km) |
| Naugatuck to Novi di Modena | 4,037.43 mi (6,497.62 km) |
| Naugatuck to Novi Ligure | 3,950.81 mi (6,358.22 km) |
| Naugatuck to Nuoro | 4,125.84 mi (6,639.89 km) |
| Naugatuck to Occhiobello | 4,065.53 mi (6,542.85 km) |
| Naugatuck to Oderzo | 4,075.00 mi (6,558.08 km) |
| Naugatuck to Oggiono | 3,941.92 mi (6,343.91 km) |
| Naugatuck to Olbia | 4,112.27 mi (6,618.06 km) |
| Naugatuck to Oleggio | 3,917.16 mi (6,304.06 km) |
| Naugatuck to Olgiate Comasco | 3,925.57 mi (6,317.59 km) |
| Naugatuck to Olgiate Olona | 3,926.80 mi (6,319.58 km) |
| Naugatuck to Omegna | 3,898.63 mi (6,274.24 km) |
| Naugatuck to Opera | 3,949.14 mi (6,355.52 km) |
| Naugatuck to Oppeano | 4,035.85 mi (6,495.07 km) |
| Naugatuck to Orbassano | 3,888.72 mi (6,258.29 km) |
