| Castricum to Ramnicu Sarat | 1,123.86 mi (1,808.68 km) |
| Castricum to Ramnicu Valcea | 1,028.71 mi (1,655.55 km) |
| Castricum to Rasnov | 1,051.62 mi (1,692.42 km) |
| Castricum to Reghin | 976.87 mi (1,572.13 km) |
| Castricum to Resita | 924.94 mi (1,488.54 km) |
| Castricum to Roman | 1,061.91 mi (1,708.98 km) |
| Castricum to Rosiori de Vede | 1,095.07 mi (1,762.34 km) |
| Castricum to Rovinari | 990.11 mi (1,593.42 km) |
| Castricum to Roznov | 1,048.04 mi (1,686.65 km) |
| Castricum to Sabaoani | 1,055.68 mi (1,698.95 km) |
| Castricum to Sacele | 1,060.50 mi (1,706.71 km) |
| Castricum to Sacueni | 850.99 mi (1,369.53 km) |
| Castricum to Salcea | 1,015.06 mi (1,633.58 km) |
| Castricum to Salonta | 854.11 mi (1,374.55 km) |
| Castricum to Sangeorgiu de Mures | 975.40 mi (1,569.75 km) |
