| Irthlingborough to Slatina | 1,260.94 mi (2,029.28 km) |
| Irthlingborough to Slobozia | 1,378.98 mi (2,219.25 km) |
| Irthlingborough to Sovata | 1,212.00 mi (1,950.53 km) |
| Irthlingborough to Strehaia | 1,206.06 mi (1,940.96 km) |
| Irthlingborough to Suceava | 1,228.62 mi (1,977.27 km) |
| Irthlingborough to Targoviste | 1,286.74 mi (2,070.81 km) |
| Irthlingborough to Targu Frumos | 1,273.77 mi (2,049.94 km) |
| Irthlingborough to Targu Jiu | 1,193.25 mi (1,920.35 km) |
| Irthlingborough to Targu Lapus | 1,134.11 mi (1,825.18 km) |
| Irthlingborough to Targu Neamt | 1,246.48 mi (2,006.01 km) |
| Irthlingborough to Targu Ocna | 1,287.05 mi (2,071.31 km) |
| Irthlingborough to Targu Secuiesc | 1,276.61 mi (2,054.51 km) |
| Irthlingborough to Targu-Mures | 1,192.33 mi (1,918.87 km) |
| Irthlingborough to Tarnaveni | 1,187.43 mi (1,910.98 km) |
| Irthlingborough to Tasnad | 1,079.88 mi (1,737.89 km) |
