| Gloucester City to Nasaud | 4,653.48 mi (7,489.05 km) |
| Gloucester City to Navodari | 4,938.07 mi (7,947.06 km) |
| Gloucester City to Negresti-Oas | 4,592.80 mi (7,391.39 km) |
| Gloucester City to Nehoiu | 4,804.93 mi (7,732.78 km) |
| Gloucester City to Ocna Mures | 4,667.62 mi (7,511.81 km) |
| Gloucester City to Odobesti | 4,817.34 mi (7,752.76 km) |
| Gloucester City to Odorheiu Secuiesc | 4,726.75 mi (7,606.97 km) |
| Gloucester City to Oltenita | 4,870.48 mi (7,838.27 km) |
| Gloucester City to Onesti | 4,785.57 mi (7,701.62 km) |
| Gloucester City to Oradea | 4,565.20 mi (7,346.98 km) |
| Gloucester City to Orastie | 4,662.98 mi (7,504.35 km) |
| Gloucester City to Oravita | 4,634.10 mi (7,457.86 km) |
| Gloucester City to Orsova | 4,675.10 mi (7,523.85 km) |
| Gloucester City to Otelu Rosu | 4,642.29 mi (7,471.05 km) |
| Gloucester City to Otopeni | 4,828.85 mi (7,771.28 km) |
