| Sliven to Resana | 740.36 mi (1,191.49 km) |
| Sliven to Rescaldina | 883.38 mi (1,421.67 km) |
| Sliven to Rezzato | 816.89 mi (1,314.65 km) |
| Sliven to Rho | 878.69 mi (1,414.12 km) |
| Sliven to Ribera | 776.89 mi (1,250.28 km) |
| Sliven to Riccione Marina | 692.75 mi (1,114.88 km) |
| Sliven to Riesi | 747.11 mi (1,202.35 km) |
| Sliven to Rieti | 685.57 mi (1,103.32 km) |
| Sliven to Rignano Flaminio | 706.19 mi (1,136.50 km) |
| Sliven to Rignano sull'Arno | 751.96 mi (1,210.17 km) |
| Sliven to Rimini | 697.02 mi (1,121.74 km) |
| Sliven to Rionero in Vulture | 562.39 mi (905.08 km) |
| Sliven to Riposto | 678.94 mi (1,092.65 km) |
| Sliven to Riva del Garda | 795.67 mi (1,280.51 km) |
| Sliven to Rivalta di Torino | 949.08 mi (1,527.39 km) |
