| Gilbert to Noventa Vicentina | 5,950.66 mi (9,576.65 km) |
| Gilbert to Novi di Modena | 5,948.14 mi (9,572.61 km) |
| Gilbert to Novi Ligure | 5,880.62 mi (9,463.95 km) |
| Gilbert to Nuoro | 6,113.99 mi (9,839.51 km) |
| Gilbert to Occhiobello | 5,970.14 mi (9,608.01 km) |
| Gilbert to Oderzo | 5,958.32 mi (9,588.99 km) |
| Gilbert to Oggiono | 5,851.34 mi (9,416.82 km) |
| Gilbert to Olbia | 6,091.28 mi (9,802.96 km) |
| Gilbert to Oleggio | 5,835.15 mi (9,390.76 km) |
| Gilbert to Olgiate Comasco | 5,838.04 mi (9,395.41 km) |
| Gilbert to Olgiate Olona | 5,842.30 mi (9,402.27 km) |
| Gilbert to Omegna | 5,814.00 mi (9,356.73 km) |
| Gilbert to Opera | 5,865.91 mi (9,440.27 km) |
| Gilbert to Oppeano | 5,937.90 mi (9,556.12 km) |
| Gilbert to Orbassano | 5,824.39 mi (9,373.45 km) |
