| Hammersmith to Nasaud | 1,139.25 mi (1,833.45 km) |
| Hammersmith to Navodari | 1,413.35 mi (2,274.57 km) |
| Hammersmith to Negresti-Oas | 1,081.26 mi (1,740.11 km) |
| Hammersmith to Nehoiu | 1,279.78 mi (2,059.60 km) |
| Hammersmith to Ocna Mures | 1,142.32 mi (1,838.38 km) |
| Hammersmith to Odobesti | 1,298.70 mi (2,090.05 km) |
| Hammersmith to Odorheiu Secuiesc | 1,206.12 mi (1,941.06 km) |
| Hammersmith to Oltenita | 1,338.17 mi (2,153.58 km) |
| Hammersmith to Onesti | 1,270.54 mi (2,044.74 km) |
| Hammersmith to Oradea | 1,039.13 mi (1,672.32 km) |
| Hammersmith to Orastie | 1,131.68 mi (1,821.26 km) |
| Hammersmith to Oravita | 1,096.38 mi (1,764.45 km) |
| Hammersmith to Orsova | 1,137.42 mi (1,830.50 km) |
| Hammersmith to Otelu Rosu | 1,107.23 mi (1,781.92 km) |
| Hammersmith to Otopeni | 1,297.56 mi (2,088.22 km) |
