| Glenmont to Noventa Vicentina | 4,319.88 mi (6,952.18 km) |
| Glenmont to Novi di Modena | 4,305.90 mi (6,929.67 km) |
| Glenmont to Novi Ligure | 4,219.02 mi (6,789.85 km) |
| Glenmont to Nuoro | 4,391.98 mi (7,068.22 km) |
| Glenmont to Occhiobello | 4,334.07 mi (6,975.01 km) |
| Glenmont to Oderzo | 4,343.73 mi (6,990.55 km) |
| Glenmont to Oggiono | 4,210.46 mi (6,776.08 km) |
| Glenmont to Olbia | 4,378.83 mi (7,047.05 km) |
| Glenmont to Oleggio | 4,185.59 mi (6,736.05 km) |
| Glenmont to Olgiate Comasco | 4,194.07 mi (6,749.71 km) |
| Glenmont to Olgiate Olona | 4,195.27 mi (6,751.63 km) |
| Glenmont to Omegna | 4,167.11 mi (6,706.31 km) |
| Glenmont to Opera | 4,217.57 mi (6,787.52 km) |
| Glenmont to Oppeano | 4,304.43 mi (6,927.31 km) |
| Glenmont to Orbassano | 4,156.85 mi (6,689.81 km) |
