| Cities | Distance |
|---|---|
| Grottammare to Popovo | 623.15 mi (1,002.86 km) |
| Grottammare to Provadia | 684.00 mi (1,100.80 km) |
| Grottammare to Radnevo | 614.62 mi (989.13 km) |
| Grottammare to Radomir | 461.53 mi (742.76 km) |
| Grottammare to Rakitovo | 524.89 mi (844.73 km) |
| Grottammare to Rakovski | 565.83 mi (910.62 km) |
| Grottammare to Razgrad | 637.03 mi (1,025.21 km) |
| Grottammare to Razlog | 495.22 mi (796.98 km) |
| Grottammare to Ruse | 608.95 mi (980.01 km) |
| Grottammare to Samokov | 494.09 mi (795.16 km) |
| Grottammare to Sandanski | 491.01 mi (790.21 km) |
| Grottammare to Sevlievo | 567.86 mi (913.89 km) |
| Grottammare to Shumen | 658.49 mi (1,059.74 km) |
| Grottammare to Silistra | 674.48 mi (1,085.47 km) |
| Grottammare to Sliven | 631.45 mi (1,016.22 km) |