| San Marcos to Noventa Vicentina | 6,139.31 mi (9,880.27 km) |
| San Marcos to Novi di Modena | 6,139.39 mi (9,880.39 km) |
| San Marcos to Novi Ligure | 6,076.95 mi (9,779.90 km) |
| San Marcos to Nuoro | 6,322.09 mi (10,174.42 km) |
| San Marcos to Occhiobello | 6,159.76 mi (9,913.18 km) |
| San Marcos to Oderzo | 6,143.31 mi (9,886.71 km) |
| San Marcos to Oggiono | 6,043.35 mi (9,725.83 km) |
| San Marcos to Olbia | 6,297.29 mi (10,134.51 km) |
| San Marcos to Oleggio | 6,029.26 mi (9,703.16 km) |
| San Marcos to Olgiate Comasco | 6,030.88 mi (9,705.76 km) |
| San Marcos to Olgiate Olona | 6,035.77 mi (9,713.64 km) |
| San Marcos to Omegna | 6,007.76 mi (9,668.55 km) |
| San Marcos to Opera | 6,059.42 mi (9,751.69 km) |
| San Marcos to Oppeano | 6,127.30 mi (9,860.93 km) |
| San Marcos to Orbassano | 6,022.64 mi (9,692.50 km) |
