| Solon to Nasaud | 4,816.51 mi (7,751.43 km) |
| Solon to Navodari | 5,103.72 mi (8,213.64 km) |
| Solon to Negresti-Oas | 4,755.42 mi (7,653.12 km) |
| Solon to Nehoiu | 4,971.99 mi (8,001.64 km) |
| Solon to Ocna Mures | 4,836.01 mi (7,782.81 km) |
| Solon to Odobesti | 4,980.70 mi (8,015.66 km) |
| Solon to Odorheiu Secuiesc | 4,892.03 mi (7,872.96 km) |
| Solon to Oltenita | 5,042.18 mi (8,114.61 km) |
| Solon to Onesti | 4,947.49 mi (7,962.22 km) |
| Solon to Oradea | 4,734.99 mi (7,620.23 km) |
| Solon to Orastie | 4,835.37 mi (7,781.78 km) |
| Solon to Oravita | 4,813.69 mi (7,746.89 km) |
| Solon to Orsova | 4,854.43 mi (7,812.45 km) |
| Solon to Otelu Rosu | 4,818.18 mi (7,754.10 km) |
| Solon to Otopeni | 4,999.99 mi (8,046.70 km) |
