| Thonex to Nasaud | 864.34 mi (1,391.03 km) |
| Thonex to Navodari | 1,094.87 mi (1,762.02 km) |
| Thonex to Negresti-Oas | 818.57 mi (1,317.36 km) |
| Thonex to Nehoiu | 968.90 mi (1,559.29 km) |
| Thonex to Ocna Mures | 842.37 mi (1,355.67 km) |
| Thonex to Odobesti | 1,000.30 mi (1,609.82 km) |
| Thonex to Odorheiu Secuiesc | 911.30 mi (1,466.60 km) |
| Thonex to Oltenita | 1,004.52 mi (1,616.62 km) |
| Thonex to Onesti | 981.33 mi (1,579.30 km) |
| Thonex to Oradea | 747.99 mi (1,203.77 km) |
| Thonex to Orastie | 815.25 mi (1,312.02 km) |
| Thonex to Oravita | 752.18 mi (1,210.51 km) |
| Thonex to Orsova | 790.81 mi (1,272.69 km) |
| Thonex to Otelu Rosu | 778.17 mi (1,252.34 km) |
| Thonex to Otopeni | 969.35 mi (1,560.01 km) |
