| Balham to Nasaud | 1,135.94 mi (1,828.11 km) |
| Balham to Navodari | 1,409.82 mi (2,268.88 km) |
| Balham to Negresti-Oas | 1,077.99 mi (1,734.86 km) |
| Balham to Nehoiu | 1,276.26 mi (2,053.94 km) |
| Balham to Ocna Mures | 1,138.82 mi (1,832.75 km) |
| Balham to Odobesti | 1,295.28 mi (2,084.55 km) |
| Balham to Odorheiu Secuiesc | 1,202.69 mi (1,935.54 km) |
| Balham to Oltenita | 1,334.51 mi (2,147.68 km) |
| Balham to Onesti | 1,267.18 mi (2,039.33 km) |
| Balham to Oradea | 1,035.64 mi (1,666.70 km) |
| Balham to Orastie | 1,128.06 mi (1,815.43 km) |
| Balham to Oravita | 1,092.55 mi (1,758.29 km) |
| Balham to Orsova | 1,133.60 mi (1,824.35 km) |
| Balham to Otelu Rosu | 1,103.52 mi (1,775.94 km) |
| Balham to Otopeni | 1,293.92 mi (2,082.36 km) |
