| Irthlingborough to Prokuplje | 1,199.69 mi (1,930.72 km) |
| Irthlingborough to Raca | 1,133.31 mi (1,823.88 km) |
| Irthlingborough to Raska | 1,159.56 mi (1,866.13 km) |
| Irthlingborough to Razanj | 1,179.55 mi (1,898.31 km) |
| Irthlingborough to Rekovac | 1,154.67 mi (1,858.26 km) |
| Irthlingborough to Ruma | 1,056.32 mi (1,699.99 km) |
| Irthlingborough to Sabac | 1,060.82 mi (1,707.23 km) |
| Irthlingborough to Secanj | 1,079.24 mi (1,736.87 km) |
| Irthlingborough to Senta | 1,030.21 mi (1,657.97 km) |
| Irthlingborough to Sid | 1,027.89 mi (1,654.23 km) |
| Irthlingborough to Sjenica | 1,137.02 mi (1,829.86 km) |
| Irthlingborough to Smederevo | 1,113.43 mi (1,791.89 km) |
| Irthlingborough to Smederevska Palanka | 1,126.83 mi (1,813.47 km) |
| Irthlingborough to Sokobanja | 1,192.72 mi (1,919.49 km) |
| Irthlingborough to Sombor | 996.79 mi (1,604.18 km) |
