| Watertown Town to Nasaud | 4,386.67 mi (7,059.66 km) |
| Watertown Town to Navodari | 4,671.15 mi (7,517.49 km) |
| Watertown Town to Negresti-Oas | 4,326.01 mi (6,962.05 km) |
| Watertown Town to Nehoiu | 4,537.98 mi (7,303.17 km) |
| Watertown Town to Ocna Mures | 4,400.65 mi (7,082.17 km) |
| Watertown Town to Odobesti | 4,550.50 mi (7,323.33 km) |
| Watertown Town to Odorheiu Secuiesc | 4,459.86 mi (7,177.45 km) |
| Watertown Town to Oltenita | 4,603.44 mi (7,408.53 km) |
| Watertown Town to Onesti | 4,518.78 mi (7,272.28 km) |
| Watertown Town to Oradea | 4,298.21 mi (6,917.30 km) |
| Watertown Town to Orastie | 4,395.95 mi (7,074.60 km) |
| Watertown Town to Oravita | 4,367.07 mi (7,028.12 km) |
| Watertown Town to Orsova | 4,408.08 mi (7,094.12 km) |
| Watertown Town to Otelu Rosu | 4,375.25 mi (7,041.28 km) |
| Watertown Town to Otopeni | 4,561.82 mi (7,341.54 km) |
