| Grosse Pointe Woods to Noventa Vicentina | 4,417.60 mi (7,109.44 km) |
| Grosse Pointe Woods to Novi di Modena | 4,407.73 mi (7,093.56 km) |
| Grosse Pointe Woods to Novi Ligure | 4,327.36 mi (6,964.21 km) |
| Grosse Pointe Woods to Nuoro | 4,525.71 mi (7,283.42 km) |
| Grosse Pointe Woods to Occhiobello | 4,433.88 mi (7,135.64 km) |
| Grosse Pointe Woods to Oderzo | 4,435.78 mi (7,138.70 km) |
| Grosse Pointe Woods to Oggiono | 4,310.86 mi (6,937.67 km) |
| Grosse Pointe Woods to Olbia | 4,508.56 mi (7,255.82 km) |
| Grosse Pointe Woods to Oleggio | 4,289.03 mi (6,902.52 km) |
| Grosse Pointe Woods to Olgiate Comasco | 4,295.48 mi (6,912.90 km) |
| Grosse Pointe Woods to Olgiate Olona | 4,297.84 mi (6,916.70 km) |
| Grosse Pointe Woods to Omegna | 4,269.36 mi (6,870.87 km) |
| Grosse Pointe Woods to Opera | 4,320.85 mi (6,953.73 km) |
| Grosse Pointe Woods to Oppeano | 4,402.99 mi (7,085.93 km) |
| Grosse Pointe Woods to Orbassano | 4,266.91 mi (6,866.93 km) |
