| Horsell to Nasaud | 1,152.89 mi (1,855.40 km) |
| Horsell to Navodari | 1,426.06 mi (2,295.02 km) |
| Horsell to Negresti-Oas | 1,095.11 mi (1,762.41 km) |
| Horsell to Nehoiu | 1,292.55 mi (2,080.16 km) |
| Horsell to Ocna Mures | 1,155.19 mi (1,859.10 km) |
| Horsell to Odobesti | 1,311.91 mi (2,111.31 km) |
| Horsell to Odorheiu Secuiesc | 1,219.28 mi (1,962.25 km) |
| Horsell to Oltenita | 1,350.23 mi (2,172.98 km) |
| Horsell to Onesti | 1,283.99 mi (2,066.39 km) |
| Horsell to Oradea | 1,052.04 mi (1,693.09 km) |
| Horsell to Orastie | 1,143.98 mi (1,841.05 km) |
| Horsell to Oravita | 1,107.58 mi (1,782.48 km) |
| Horsell to Orsova | 1,148.62 mi (1,848.53 km) |
| Horsell to Otelu Rosu | 1,119.03 mi (1,800.91 km) |
| Horsell to Otopeni | 1,309.75 mi (2,107.84 km) |
