| Upper Montclair to Nasaud | 4,573.33 mi (7,360.06 km) |
| Upper Montclair to Navodari | 4,858.10 mi (7,818.36 km) |
| Upper Montclair to Negresti-Oas | 4,512.62 mi (7,262.36 km) |
| Upper Montclair to Nehoiu | 4,725.01 mi (7,604.17 km) |
| Upper Montclair to Ocna Mures | 4,587.76 mi (7,383.28 km) |
| Upper Montclair to Odobesti | 4,737.24 mi (7,623.85 km) |
| Upper Montclair to Odorheiu Secuiesc | 4,646.73 mi (7,478.19 km) |
| Upper Montclair to Oltenita | 4,790.83 mi (7,710.10 km) |
| Upper Montclair to Onesti | 4,705.39 mi (7,572.59 km) |
| Upper Montclair to Oradea | 4,485.39 mi (7,218.54 km) |
| Upper Montclair to Orastie | 4,583.34 mi (7,376.18 km) |
| Upper Montclair to Oravita | 4,554.90 mi (7,330.40 km) |
| Upper Montclair to Orsova | 4,595.89 mi (7,396.37 km) |
| Upper Montclair to Otelu Rosu | 4,562.86 mi (7,343.21 km) |
| Upper Montclair to Otopeni | 4,749.16 mi (7,643.04 km) |
