| Grove City to Popovo | 5,195.55 mi (8,361.43 km) |
| Grove City to Provadia | 5,248.22 mi (8,446.19 km) |
| Grove City to Radnevo | 5,232.22 mi (8,420.45 km) |
| Grove City to Radomir | 5,105.57 mi (8,216.62 km) |
| Grove City to Rakitovo | 5,175.10 mi (8,328.52 km) |
| Grove City to Rakovski | 5,195.56 mi (8,361.45 km) |
| Grove City to Razgrad | 5,197.79 mi (8,365.04 km) |
| Grove City to Razlog | 5,155.45 mi (8,296.89 km) |
| Grove City to Ruse | 5,163.46 mi (8,309.78 km) |
| Grove City to Samokov | 5,138.67 mi (8,269.89 km) |
| Grove City to Sandanski | 5,162.26 mi (8,307.85 km) |
| Grove City to Sevlievo | 5,167.85 mi (8,316.85 km) |
| Grove City to Shumen | 5,224.90 mi (8,408.66 km) |
| Grove City to Silistra | 5,198.60 mi (8,366.33 km) |
| Grove City to Sliven | 5,229.89 mi (8,416.70 km) |
